package com.atguigu.eduorder.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.atguigu.eduorder.entity.Order;
import com.atguigu.eduorder.entity.PayLog;
import com.atguigu.eduorder.mapper.PayLogMapper;
import com.atguigu.eduorder.service.OrderService;
import com.atguigu.eduorder.service.PayLogService;
import com.atguigu.eduorder.utils.HttpClient;
import com.atguigu.eduorder.utils.WeXinUtils;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.wxpay.sdk.WXPayUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author testjava
 * @since 2023-01-28
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {


    @Autowired
    private OrderService orderService;
    /**
     * 生成微信支付二维码接口
     * @param orderNo
     * @return
     */
    @Override
    public Map createNative(String orderNo) {

        try {
            //根据订单号查询订单信息
            LambdaQueryWrapper<Order> queryWrapper=new LambdaQueryWrapper<>();
            queryWrapper.eq(Order::getOrderNo,orderNo);
            Order order = orderService.getOne(queryWrapper);
            //使用map设置生成二维码需要参数
            Map m=new HashMap<>();
            m.put("appid", WeXinUtils.APPID);
            m.put("mch_id", WeXinUtils.MCH_ID);
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            m.put("body", order.getCourseTitle());
            m.put("out_trade_no", orderNo);
            m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue()+"");
            m.put("spbill_create_ip",WeXinUtils.SPBILL_CREATE_IP);
            m.put("notify_url", WeXinUtils.NOTIFY_URL);
            m.put("trade_type", WeXinUtils.TRADE_TYPE);
            //发送 httpclient请求，传递参数xnl格式，微信支付提供固定地址
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            //client设置参数
            client.setXmlParam(WXPayUtil.generateSignedXml(m, WeXinUtils.PARENTKEY));
            client.setHttps(true);
            client.post();
            //3、返回第三方的数据
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            //4、封装返回结果集
            Map map = new HashMap<>();
            map.put("out_trade_no", orderNo);
            map.put("course_id", order.getCourseId());
            map.put("total_fee", order.getTotalFee());
            map.put("result_code", resultMap.get("result_code"));
            map.put("code_url", resultMap.get("code_url"));
            //得到发送请求返回结果
            //微信支付二维码2小时过期，可采取2小时未支付取消订单
            //redisTemplate.opsForValue().set(orderNo, map, 120, TimeUnit.MINUTES);
            return map;
        } catch (Exception e) {
            e.printStackTrace();
            return new HashMap<>();
        }

    }

    /**
     * 查询订单状态
     * @param orderNo
     * @return
     */
    @Override
    public Map<String, String> queryPayStatus(String orderNo) {
        try {
            //1、封装参数
            Map m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("out_trade_no", orderNo);
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            //2、设置请求
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();
            //3、返回第三方的数据
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            //6、转成Map
            //7、返回
            return resultMap;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }

    }

    /**
     * 添加支付记录，更新订单状态
     * @param map
     */
    @Override
    public void updateOrderStatus(Map<String, String> map) {
        String tradeNo = map.get("out_trade_no");
        //根据订单号查询订单信息
        LambdaQueryWrapper<Order> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(Order::getOrderNo,tradeNo);
        Order order = orderService.getOne(queryWrapper);
        //更新订单表里的订单状态
        if(order.getStatus().intValue()==1){return;}

        order.setStatus(1);
        orderService.updateById(order);

        //向支付表里添加支付记录
        PayLog payLog=new PayLog();
        payLog.setOrderNo(tradeNo);//支付订单号
        payLog.setPayTime(new Date());
        payLog.setPayType(1);//支付类型
        payLog.setTotalFee(order.getTotalFee());//总金额(分)
        payLog.setTradeState(map.get("trade_state"));//支付状态
        payLog.setTransactionId(map.get("transaction_id"));
        payLog.setAttr(JSONObject.toJSONString(map));

        this.save(payLog);
    }
}
